Blue lunulae: Argyria and hypercopprecaemia

Authors: Kalouche, Hassan; Watson, Alan¹; Routley, Douglas²

Source: Australasian Journal of Dermatology, Volume 48, Number 3, August 2007 , pp. 182-184(3)

Publisher: Blackwell Publishing

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Abstract:

SUMMARY

A 42-year-old woman presented with blue lunulae in association with argyria and hypercopprecaemia. The argyria was caused by the regular ingestion of colloidal silver in water over an extended period of time. The raised copper may have contributed to the nail discolouration, and was believed to be due either to ingestion of copper-containing multivitamin tablets or as an acute-phase reactant. We believe that the ease of access to, and lack of stringent regulatory controls over, food supplements and alternative medicines may cause similar cases in the future. We therefore recommend that all patients should be routinely questioned on their use of over-the-counter preparations and alternative medicines.

Keywords: colloidal silver; copper; silver; Wilson's disease

Document Type: Research article

DOI: 10.1111/j.1440-0960.2007.00376.x

Affiliations: 1: Departments of Dermatology and 2: Gastroenterology, John Hunter Hospital, Newcastle, New South Wales, Australia

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